Apparatus for issuing gummed strip paper suitable for use for packing and like purposes



March 24, 1936. L SMITH 2,034,840

APPARATUS FOR ISSUING GUMMED STRIP PAPER SUITABLE FOR USE FOR PACKINGAND LIKE PURPOSES Filed Dec. l5, 1954 2 Sheets-Sheet 1 APPARATUS FORISSUINQGUMMED STRIP PAPER SUITABLE FOR USE FOR PACKING AND LIKE PURPQSESFiled D60. 13, 1934 L SMITH 2 Sheets-Sheet 2 Patented Mar. 24, 1936 NTESTAES IEE APPARATUS FOR ISSUING GUMIVIED STRIP PAPER SUITABLE FOR USEFOR PACKING AND LIKE PURPOSES Application December 13, 1934, Serial No.757,386 In Great Britain December 20, 1933 9 Claims.

This invention relates to apparatus for issuing gummed strip paper,suitable for use for packing and like purposes and more particularly tosuch apparatus of the kind. wherein a casing carries one or more rollsof strip paper, one or more printing rollers for printing predeterminedadvertising or other matter upon said strip paper, means for applyinggum to said paper, or alternatively (where the paper is supplied alreadygummed) means for damping the gummed side of said paper, and means forfacilitating the breaking or cutting off of issued gummed and printedpaper, the whole arrangement being such that the paper from the roll orrolls is passed through the printing roller portion of the apparatus tothe damping means and to the means for facilitating cutting or breakingoff of the paper.

In many forms of known apparatus of the kind referred to theconstruction is such that the paper is always in contact with theprinting roller or rollers, and there is, accordingly, the difiicultythat the gummed paper may stick to the said printing roller or rollers(after a period in which no paper is drawn ofi") due to the fact thatsaid gummed paper has remained for a substantial time in more or lessfirm pressure contact with the said roller or rollers.

A known expedient for obviating this difiiculty resides in so arrangingthe printing roller or rollers as to be movable when desired out ofpressure contact with the paper.

The present invention provides improved apparatus of the kind referredto and embodying the expedient mentioned in the preceding paragraph. Themain object of the invention is to embody the said expedient inapparatus which is cheaper, simpler than known apparatus embodying thesaid expedient and which is such that the printing roller or rollers canbe easily and quickly removed from the apparatus as a whole and replacedby a roller or rollers bearing other advertising or like matter.

According to this invention an apparatus of the kind referred to andcomprising a printing roller or rollers which is or are movably mountedin such manner as to be movable when desired out of pressure contactwith the paper is characterized in that the said roller or rollers is orare freely rotatably mounted upon a spring biased spindle which isprovided with projecting members spaced apart upon said spindle andadapted to engage fixed abutment members, means being provided forrotating said spindle when desired so that said projecting members maybe brought to engage said abutment members and thereby lift said spindleagainst spring bias.

The invention is illustrated in the accompanying drawings which show oneform of construction. In the drawings, Figure 1 is an elevation, partlyin section; Figure 2 is a detail view; Figure 3 is a sectional elevationtaken centrally; Figure 4 is an elevation to a reduced scale as comparedto the other figures; and Figure 5 is an end view in section, taken on aline through the centre of the printing roller.

Referring to the drawings, the apparatus therein shown for issuinggummed strip paper comprises a casing I within which is a frame whichcarries a strip paper roll mechanism, a printing mechanism, and a gumdamping mechanism, which latter preferably incorporates means forcutting off paper which has been issued.

The strip paper roll mechanism consists simply of a spindle 2 preferablyarranged to be adjustable in position within the casing, this spindlebeing fixed and serving as the axis of one or more rolls (as shown, oneroll 3) of gummed strip paper, the number of rolls depending uponrequirements. The arrangement is such that when paper strip is pulledfrom the roll, the said roll will rotate upon the spindle. In order toprevent the unrolling of too much paper when the strip is pulled, one ormore spring plates or any suitable braking means (not shown) may beprovided to impose resistance against rotation of the roll or rolls, or(as is the case in the illustrated embodiment) the roll may be ofsuflicient size torub against the side walls of the frame and thusimpose frictional resistance.

The printing mechanism comprises one or more type wheels l (as shown,one type wheel) made of wood or other suitable material and having aperiphery 5 of rubber type, the said type wheel (or wheels) beingmounted upon a spindle 6 which passes freely through a central hole orholes in the wooden or other type wheel or wheels. This spindle, whichwill hereinafter be termed the type spindle passes through verticalslots 1 in parallel vertical carrier plates 23 forming part of the frameand between which the type wheel or wheels is or are positioned, thesevertical carrier plates serving as the main carrier members for thewhole apparatus and also having slots 9 through which passes the spindlefor the paper roll or rolls. Carried externally on the carrier platesand inside the side walls of the casing l (the carrier plates are spacedshort distances from the said walls of the casing) are two abutmentmembers lil hereinafter to be termed reaction members, and eachco-operating with the type spindle in manner to be described later togive movement of the type wheel or wheels upwards or downwards. Thesereaction members I 0 consist of short approximately horizontal arcuateplates fixed to the carrier plates 8 at or near the bottoms of the slotsI for the type spindle, the ends of these plates ll! being curvedupwardly as shown. The type spindle is formed with or provided with apair of radial parallel pins ll which are separated from one another bya distance approximately equal to the total over-all length of the typewheels or wheels plus the thickness of the carrier plates 8. One end ofthe type spindle projects through one carrier plate and one side of thecasing and is provided with an operating lever l2 by which the typespindle may be rotated. The arrangement of the reaction members I!)relative to the type spindle is such that when the type spindle isrotated into such a position that the pins l l projecting therefrompoint downwardly, these pins engage the arcuate faces of the reactionmembers l0 and thus compel the type wheel or wheels to be lifted bodilyupwards their maximum height being attained when the pins II] arepointing vertically downwards. Preferably the reaction members ID areprovided with depressions Illa adapted to be engaged by the ends of thepins when they are pointing vertically downwards so that a personoperating the lever at the end of the type spindle will be informed byfeel when the type wheels are fully lifted. These depressions will, ofcourse, also serve to retain the type wheel or wheels in their maximumlifted position against vibration.

The type spindle is normally biased downwardly by wire springs l 3 fixedat M and. IE to the carrier plates 8 (e. g. by means of tabs or lugspressed out of the said plates) and riding upon the type spindle, thesesprings being formed with ends l6 convenient to be grasped by thefingers. The carrier plates are formed on their external faces withpressed out tongues or other support members I! so positioned that whenthe springs are lifted from the type spindle they may be rested uponthese tongues or the like. When the springs are thus renderedinoperative to hold down the type spindle, the said spindle completewith its handle and type wheel or wheels may be withdrawn by lifting itupward through the slots 7 in the carrier plates 8 and the correspondingslot shown in one wall of the casing I. It should be stated that thecase is formed with a hinged lid [8 which should, of course, be openedto permit withdrawal of the type spindle. The pins H in the type spindleare shown as screwed therein and it will be seen that by unscrewing oneof these pins after removal of the type spindle from the machine, thetype wheel or wheels may be withdrawn and a different wheel or wheelssubstituted.

The inking mechanism for the type wheel may consist of the usual inkingroller or rollers but, as shown, a somewhat cheaper form of inkingmechanism may be used this form consisting of a pad H! ofink-impregnated felt or the like which is carried in a metal pressing2G. The carrier plates 8 are formed with suitable slots 2| adapted toreceive the ends of a flat spring 22 fixed to the back of the pressing20, the slots 2! being so positioned and arranged at such an angle thatwhen the ends of the spring 22 are entered into the said slots 2| theinking felt l9 bears approximately tangentially against the type wheelor wheels. To withdraw the inking felt and substitute another, e. g. oneof a different colour, it is merely necessary to lift the spring 22 outof the slots 2i and remove the felt in its pressing 20 out of themachine (after, of course, having opened the lid).

The paper, after passing from the roll or rolls, passes under and oversuitable guides 23, then round a fraction of the circular periphery ofthe type wheel or wheels, and then over another guide 23, the guidesbeing so positioned that when the .type Wheel or wheels are in theirmost downwardly position, the paper engages a suitable fraction of thesaid periphery.

It will be seen, therefore, with a machine as so far described, if theend of the paper projecting beyond the last guide 23 be pulled, thepaper will be drawn from the roll or rolls and under the type wheel orwheels rotating the type wheel or wheels and being accordingly printedthereby. When the machine is not required to be in use, the lever at theend of the type spindle is operated and the type wheel or wheels is orare thereby lifted so as to be free of the paper. After passing underthe type wheel or wheels, the paper proceeds, gummed face downwards,across a wetting brush or felt 25 arranged in a water bath 25 and over aguillotine or saw edge 26 by which it may be cut off. If desired, and asshown, means may be provided for drawing off paper by operation of ahandle instead of merely pulling upon the paper with the fingers. In theillustrated case the said means comprise friction rollers (rubbercovered) 21 which are held in contact with one another by springs 28 oneof said rollers being adapted to be rotated by a handle 29,-

It will be appreciated that when carrying out this invention it is notnecessary to provide any bed against which the type wheel or wheelspress the paper when printing, for the tension which necessarily must beapplied to the paper to cause it to be withdrawn from the machine willcause the paper to press against the type wheel or wheels.

What I claim is:-

1. In apparatus of the kind referred to, the combination of a frame; aspindle; at least one printing roller mounted for rotation on saidspindle and normally positioned to engage paper for printing thereon;means mounting said spindle on said frame for rotation and for movementstogether with the roller towards and away from the paper; spacedprojecting members on said spindle; and fixed abutment members withwhich said projecting members are adapted to engage when the spindle isrotated and being so positioned that, after engagement of the projectingmembers with the abutments, further rotation of the spindle will movethe spindle and roller away from the paper.

2. The combination as set forth in claim 1 and in which the frame isprovided with openended slots in which the spindle is mounted, the

spindle being removable from the slots through their open ends. a

3. The combination as set forth in claim 1 and in which the projectingmembers on the spindlecomprise parallel radial studs or pins havingthreaded connection with the spindle.

4. The combination as set forth in claim 1 and in which the frame isprovided with open-ended slots through which the spindle extends, thespindle being removable through the open ends of the slots, and theprojecting members on the spindle comprising parallel radial studs orpins.

5. The combination as set forth in claim 1 in dle is in such positionthat the roller is out of contact with the paper, said projectingmembers comprising parallel radial studs or pins.

8. The combination as set forth in claim 1 and including stationaryinking means positioned and mounted. to press substantially tangentiallyon the roller.

9. The combination as set forth in claim 1 and including spring biasmeans for biasing the spindle towards the abutment members.

LOUIS SMITH.

